Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8945280 | Method to decrease decomposition products in solutions that absorb acidic gases such as carbon dioxide and the like in the presence of oxygen | Robert A. Grigsby, Jr., Larry R. White, James E. Critchfield | 2015-02-03 |
| 8858828 | Use of 2-(3-aminopropoxy)ethan-1-ol as an absorbent to remove acidic gases | Howard P. Klein, Robert A. Grigsby, Jr., Jingjun Zhou, Attila Gaspar, Zsolt Gaspar | 2014-10-14 |
| 5861051 | Process for removing carbon dioxide from gas mixture | James E. Critchfield, Wei-Yang Su, Thomas J. Kenney | 1999-01-19 |